I'm sort of using 1.4. A few days before it came out, I took a 1.3b stage1 tarball and installed that after modifying it to use GCC-3.2_pre instead of 3.1.1. Quake3 is the only Loki game I've got, and that works great. RTCW runs good too. Even the commercial WineX runs JK2 like a champ. Unfortunately civ3 is just dog ass slow through wineX. I'm also using the Nvidia 2960 drivers, and they seem to work well too.